Nitrogen trichloride and benzalacetophenone in carbon tetrachloride solution between 20° and -15 ° react to form free nitrogen, ammonium chloride, benzalacetophenone dichloride, and a C-chloro-N -dichloroamino ketone. This compound can be reduced to the C-chloroamino ketone by means of concentrated hydrochloric acid. The hydrochloride and the benzoyl derivative of this compound were isolated and analyzed
